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Finding the Fourth Proportional to 29,570.25, 40,813.80 and 19,500.51

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Solution

The fourth proportional to 29,570.25, 40,813.80 and 19,500.51 is: 26,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,570.25 : 40,813.80 = 19,500.51 : x
  2. Step 2: Convert to fraction form
    29,570.25/40,813.80 = 19,500.51/x
  3. Step 3: Cross multiply
    29,570.25x = 40,813.80 × 19,500.51
  4. Step 4: Simplify right side
    29,570.25x = 795,889,915.04
  5. Step 5: Solve for x
    x = 795,889,915.04/29,570.25
  6. Step 6: Final answer
    x = 26,915.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.